Golf putter head portion



FIG. 1 is a perspective view of the golf putter head portion, showing, in particular the ornamental design thereof;

FIG. 2 is a first side elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a second side elevational view thereof; and,

FIG. 5 is a front elevational view thereof.

The broken lines of FIGS. 1 through 5 are included for illustrative purposes only, and do not form a part of the claimed design. 

The ornamental design for a golf putter head portion, as shown and described. 